A ruling the Dec. 18 prison death of Dr. David S. Kennedy, the Pennsburg pediatrician charged with having child pornography, is expected next week, the Montgomery County coroner's office said.

The determination of the cause and manner of Kennedy's death, in a county prison cell, has been delayed by testing and reviews of the test results, First Deputy Coroner Alex Balacki said Wednesday.

"Unfortunately, we have not made that decision," Balacki said. "There was some additional testing that strung things along. We're just waiting for our doctor to make a final decision.

"I expect him to do that by this time next week. He's working on it this week."

Kennedy had been in the prison in Eagleville since his Nov. 30 arrest on charges of keeping photos of nude children on at least one cellphone. He admitted that he saved the photos "based on a curiosity he had," investigators said.

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Man 'not breathing' after crash into Hamilton Blvd. poles

Man 'not breathing' after crash into Hamilton Blvd. poles

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Man 'not breathing' after crash into Hamilton Blvd. poles

Man 'not breathing' after crash into Hamilton Blvd. poles

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Smoke pours out of the roof of a large warehouse on Commerce Boulevard in Bethlehem on Thursday, Aug. 10, 2017. (Chris Shipley/The Morning Call)

Smoke pours out of the roof of a large warehouse on Commerce Boulevard in Bethlehem on Thursday, Aug. 10, 2017. (Chris Shipley/The Morning Call)

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This video of a plume of smoke from a two-alarm fire at a large warehouse on Commerce Center Boulevard in Bethlehem was captured from a passing vehicle on Thursday, Aug. 10, 2017. (Rick Feliciano‏/Contributed Video)

This video of a plume of smoke from a two-alarm fire at a large warehouse on Commerce Center Boulevard in Bethlehem was captured from a passing vehicle on Thursday, Aug. 10, 2017. (Rick Feliciano‏/Contributed Video)

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On Tilghman Street, car crashes into a tree and a utility pole

On Tilghman Street, car crashes into a tree and a utility pole

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Authorities say a dozen firefighters were overcome by carbon monoxide fumes while battling a building fire in West Chester.

Authorities say a dozen firefighters were overcome by carbon monoxide fumes while battling a building fire in West Chester.

He was charged with criminal use of a cellphone and sexual abuse of children by obtaining child pornography.

An autopsy was conducted on Kennedy's body the day after his death. Because additional tests were requested, the coroner's office said in January its ruling could be delayed until February.

Balacki said Wednesday the process took longer than first thought.

Kennedy worked at Personal Care Pediatrics on Main Street in Pennsburg. An employee of the medical office on Nov. 28 alerted police to the child porn, investigators said.

County detectives said child pornography was found on three cellphones used by the doctor.